Home / 7,285.04-10,928.23-3,124.11

Finding the Fourth Proportional to 7,285.04, 10,928.23 and 3,124.11

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Solution

The fourth proportional to 7,285.04, 10,928.23 and 3,124.11 is: 4,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.04 : 10,928.23 = 3,124.11 : x
  2. Step 2: Convert to fraction form
    7,285.04/10,928.23 = 3,124.11/x
  3. Step 3: Cross multiply
    7,285.04x = 10,928.23 × 3,124.11
  4. Step 4: Simplify right side
    7,285.04x = 34,140,977.00
  5. Step 5: Solve for x
    x = 34,140,977.00/7,285.04
  6. Step 6: Final answer
    x = 4,686.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.